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A316-Mini-V1

Minimum Footprint XU316 Mini Module

A316-Mini-V1 USB Module

1. Product Overview

1.1 Product Description

  • A316-Mini-V1 is a Mini module designed for compact products, with module dimensions of only 13mm x 13mm, specifically designed for high-end audio systems with space constraints.
  • The module integrates XU316-1024-QF60BC24 chip, with built-in 24MHz crystal and 16Mbit Flash required by XU316 for firmware storage.
  • Combined with different firmware, A316-Mini-V1 can meet various audio application requirements.

1.2 Product Features

  • Hardware Configuration
    • 3.3V, 1.8V, 0.9V power supply
    • Integrates 16Mbit QSPI Flash for firmware and data storage
  • USB Interface Features
    • USB 2.0 (Full-speed and High-speed)
    • USB Audio Class 1.0
    • USB Audio Class 2.0
  • System Compatibility
    • UAC 2.0 protocol, supports ASIO, compatible with multiple operating systems including Windows, Linux, Android, macOS and iOS

1.3 Product Block Diagram

A316-Mini-V1 Block Diagram

1.4 Specifications

Specification Item Description
Product Name A316-Mini-V1
Product Description Ultra-compact XU316 Module
Package Type SMT LGA
Environmental Compliance All hardware components fully comply with EU RoHS directive

1.5 Absolute Maximum Ratings

Parameter Minimum Maximum Unit
Storage Temperature -40 125 ℃
Supply Voltage -0.5 3.63 V
1.8V Supply Voltage -0.5 1.98 V
0.9V Supply Voltage -0.5 1.05 V
ESD Voltage (Human Body Model) TAMB-25℃ -2 2 KV
ESD Voltage (Machine Model) TAMB-25℃ -500 500 V

1.6 Normal Operating Conditions

Function Minimum Typical Maximum Unit
Operating Temperature 0 - 70 ℃
3.3V Operating Voltage 3.0 3.3 3.6 V
1.8V Operating Voltage 1.62 1.80 1.98 V
0.9V Operating Voltage 0.855 0.90 0.945 V

1.7 Operating Current

Operating State Average Peak Unit
Active@3.3V 7 25 mA
Active@1.8V 30 36 mA
Active@0.9V 300 1000 mA

2. Pin Definition

2.1 Pin Layout Top View

A316-Mini-V1 Pin Diagram Top View

2.2 Pin Description

Module Pin Number Name Type Function
1 3.3V P Module 3.3V Power Supply
2 X1D13 I/O Multi-function GPIO
3 X1D16 I/O Multi-function GPIO
4 GND P Module Ground
5 X1D17 I/O Multi-function GPIO
6 X1D18 I/O Multi-function GPIO
7 X1D19 I/O Multi-function GPIO
8 X1D22 I/O Multi-function GPIO
9 X0D29 I/O Multi-function GPIO
10 X0D35 I/O Multi-function GPIO
11 X0D36 I/O Multi-function GPIO
12 X0D37 I/O Multi-function GPIO
13 X0D38 I/O Multi-function GPIO
14 X0D40 I/O Multi-function GPIO
15 X0D39 I/O Multi-function GPIO
16 X0D42 I/O Multi-function GPIO
17 X0D41 I/O Multi-function GPIO
18 X0D43 I/O Multi-function GPIO
19 X1D34 I/O Multi-function GPIO
20 GND P Module Ground
21 X0D30 I/O Multi-function GPIO
22 X0D31 I/O Multi-function GPIO
23 X0D32 I/O Multi-function GPIO
24 X0D33 I/O Multi-function GPIO
25 GND P Module Ground
26 GND P Module Ground
27 GND P Module Ground
28 X0D00 I/O Multi-function GPIO
29 X0D11 I/O Multi-function GPIO
30 X1D00 I/O Multi-function GPIO
31 X1D01 I/O Multi-function GPIO
32 GND P Module Ground
33 X1D09 I/O Multi-function GPIO
34 X1D10 I/O Multi-function GPIO
35 X1D11 I/O Multi-function GPIO/XU316 Internal Clock Output
36 GND P Module Ground
37 GND P Module Ground
38 TDI I/O Multi-function GPIO
39 TDO I/O Multi-function GPIO
40 TMS I/O Multi-function GPIO
41 TCK I/O Multi-function GPIO
42 RST_N I/O Multi-function GPIO
43 1.8V P Module 1.8V Power Supply
44 GND P Module Ground
45 USB_DM I/O USB_DM
46 USB_DP I/O USB_DP
47 GND P Module Ground
48 0.9V P Module 0.9V Power Supply
49 GND P Module Ground
50 GND P Module Ground
51 GND P Module Ground
52 GND P Module Ground

3. Module Dimensions and PCB Footprint

3.1 Module Dimensions

PCB Dimensions:

13±0.1mm(L)X13±0.1mm(W)X0.8±0.1mm(H)

3.2 Module Footprint Diagram

A316-Mini-V1 Footprint Diagram

4. Minimum System Reference Design

A316-Mini-V1 Minimum System Reference Design

5. Product Packaging Information

Tray + Outer Box Packaging

Recommended Reflow Soldering Temperature Profile

7. Revision History

Version Date Description Revised by
V1.0 2025-05-07 Initial Release
V1.1 2025-10-07 Added minimum system reference design

8. Consultation & Feedback

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